midiInvalidCmdErr - command not supported for port type

midiDupIDErr - duplicate client ID

midiNameLenErr - name supplied is longer than 31 characters

midiWriteErr - MIDIWritePacket couldn't write to all connected ports

midiNoConErr - no connection exists between specified ports

midiVConnectRmvd - pending virtual connection removed

midiVConnectMade - pending virtual connection resolved

midiVConnectErr - pending virtual connection created

midiTooManyConsErr - too many connections made

midiTooManyPortsErr - too many ports already installed in the system

midiNoPortErr - no port with that ID found

midiNoClientErr - no client with that ID found